How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/20100.0*Erste Liga100.0*Average seed
Mattersburg 1 Altach 0 -1.3
+0.6
Wolfsberger 2 Austria Wien 1 +1.1
-0.2
Ried 1 St. Pölten 1 -0.4
+0.1
Rapid Wien 1 Sturm Graz 0 -0.2
Week of 5/25100.0*Erste Liga100.0*Average seed
Mattersburg 1 Rapid Wien 3 -0.5
St. Pölten 1 Wolfsberger 1 +0.1
Week of 5/28100.0*Erste Liga100.0*Average seed
Wolfsberger 1 Sturm Graz 0 -0.4
Ried 2 Mattersburg 3 +0.2
Rapid Wien 2 St. Pölten 1 +0.1
Points
Chance Will Win Championship